A strong pick for homes in mild climates that want full whole home power without running a vent.
Amazon $1,280.79 Amazon $1,280.79
A bargain outdoor whole home heater for mild climates, best for buyers comfortable with a short warranty.
- 199,000 BTU/hHeating power
- 8.4 GPMMax flow
- 1 yearHeat exchanger warranty
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
- 199,000 BTU/h outdoors for well under $600
- No vent pipe, and a 32 ft wired remote lets you set temperature from inside
- Comes with a T&P valve and mounting hardware
- Only a 1 year warranty, so a heat exchanger failure later is on you
- Camplux publishes conflicting efficiency figures and no spec sheet
- Must be drained below 5°F ambient or during long idle periods
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its fuel. How we rank explains each one.
Specifications
| Model number | WA686M |
|---|---|
| Heating | |
| Fuel | Gas |
| Gas type | Natural gas or propane |
| Gas input | 199,000 BTU/h |
| Max flow | 8.4 GPM |
| Condensing | No |
| Installation | |
| Venting | Outdoor |
| Features | |
| Built-in recirculation | No |
| Wi-Fi | No |
| Heat exchanger warranty | 1 year |
| Parts warranty | 1 year |
Alternatives in this fuel
A dependable whole home heater for buyers who want Rinnai power at a lower price than a condensing model and have room for metal venting.
Amazon $1,280.79 Amazon $1,412.82A very efficient heater for a two bathroom home that does not need the full 199,000 BTU/h of the RX199i.
Amazon $1,298.43Compare
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